Find the measure of angle B
(9x +2)
(5x - 4)

121 degrees
113 degrees
119 degrees
123 degrees

Find the value of the cosine for angle a

Atriangle has verticals at b(-3,0), c(2,-1), d(-1,2). which transformation would produce an image with verticals b”(-2,1), c”(3,2), d”(0,-1)?

The area of a circle is equal to 1 dm². find the radius of the circle.